Direct Red 81 (12237-71-7)

Identification
Name:	Direct Red 81
Synonyms:	disodium (3E)-7-(benzoylamino)-4-oxo-3-(2-{4-[(E)-(4-sulfonatophenyl)diazenyl]phenyl}hydrazinylidene)-3,4-dihydronaphthalene-2-sulfonate
CAS:	12237-71-7
EINECS:	220-028-9
Molecular Formula:	C₂₉H₁₉N₅Na₂O₈S₂
Molecular Weight:	0
InChI:	InChI=1/C29H21N5O8S2.2Na/c35-28-25-15-12-23(30-29(36)18-4-2-1-3-5-18)16-19(25)17-26(44(40,41)42)27(28)34-33-21-8-6-20(7-9-21)31-32-22-10-13-24(14-11-22)43(37,38)39;;/h1-17,33H,(H,30,36)(H,37,38,39)(H,40,41,42);;/q;2*+1/p-2/b32-31+,34-27-;;
Molecular Structure:
Properties
Safety Data